Also cutting and roof system removal.
Running conduit on a flat roof.
Lic conduit embedded within or directly underneath roof assemblies.
All will help attenuate the let through energy.
I cannot run it on the side of a parapet.
I have to run a circuit to supply power to a sign across about 50 feet of flat roof.
I m in florida and i have installed thousands of feet of pvc on roof tops.
But this time i would like to do a neater job.
Does the nec specify a clearance between the bottom of roof decking and electrical conduit.
The system will use cat 6 to each camera and running these wires indoors is impractical in most of the building.
Seanb 1 don t forget the coil of cable and add a few ferrite toroids over the cable as well.
The only reason we haven t install emt was because of the salt air.
So i m planning on running all camera wires in pvc schedule 40 either.
If you aren t burying the cable choose a waterproof cat 6 cable that has a uv protective jacket to prevent damage from sunlight exposure.
By way of comparison the wall thick ness of 1 2 inch thick metallic conduit is comparable to the metal thickness of a 20 gauge steel roof deck.
At the moment the gutter drain pipe from the roof of the main property is running above the flat roof then is diverted along a drain pipe diagonally along the back external wall of the prerogative to a drain halfway along the property very ugly.
Can i run it on top or.
Hi currently at the side of our house there is a large utility extension from the garage extending 2 3m into the garden.
I am worried about a roofer running a screw into the conduit as they secure the insulation.
This is important when running the cable up the side of a house or across a roof.
If your lucky you will get 10 years service out of roof mounted pvc conduit in florida.
Running conduit through roof reply 5 on.
Mounting conduit on existing flat roof any time you see a thin black line to the left of a paragraph in the nec it means that it s new or the wording has changed.
Self cutting or self drilling roof fasten ers can readily penetrate metals of these thicknesses.
August 02 2011 09 56 26 am author.
Exterior grade ethernet cables are waterproof and can be buried in the ground without a conduit.
I m a lv contractor and will be installing a cctv system on a building with a flat roof with a parapet.
We are replacing part of the plant roof and some of the 277 lighting conduit runs along the bottom of the roof decking.
